This restaurant is owned by Casa Santo Domingo, 3 Calle Oriente #28, a former monastery turned hotel which is a wonder in its own right. Check out the museum-quality artifacts just for starters.
I found some of the dishes to be bland but others were wonderfully flavorful and even somewhat spicy.
Remember to be smart when eating street food. Freshly cooked is better than food that’s been sitting around and go to the stand that’s filled with the locals.